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HA13556AF Datasheet, PDF (10/20 Pages) Hitachi Semiconductor – Combination of Spindle and VCM Driver designed for HDD and have Following Functions and Features | |||
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HA13566AF
Internal Commutation Mode (Full Wave Mode)
+
B-EMF 0
â
U
V
W
PHASE
0
COMM
*3
0
+
U-Current
Switching 0
mode
â
U-Current +
Soft
switching
0
mode
â
+ 50 %
â 50 %
Note: 3. When the internal commutation mode is selected, the commutation of the motor is automatically
selected at the B-EMF sensing drive. But donât open the COMM terminal.
10
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